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Gonyerite

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SER731707

Gonyerite

Description Tabs

Description
Locality: 
Långban, Filipstad, Värmland County, Sweden
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.2 × 0.6 cm
Description

Micaceous platy crystals on matrix

Mineral Data
What's on the rock

Gonyerite

Formula: 
(Mn2+,Mg)5Fe3+(Fe3+Si3O10)(OH)8
Strunz: 
9.EC.55
Hardness: 
2.5
Type Locality: 
Långban, Filipstad, Värmland, Sweden